USA.com / California / Chatsworth, CA / 91311 / Population and Races / Historical Household and Family Data
91311 Zip Code Historical Household and Family Data
ACS 2010-2014 data
Total population: 37,769
| 91311 Zip Code | California | U.S. | |
| Total Households | 13,508, 100% | 12,617,280 | 116,211,092 |
| Average Household Size | 2.74, see rank | 2.95 | 2.63 |
| 1 Person Households | 3,149, 23.31%, see rank | 24.10% | 27.57% |
| 2 or More Person Households | 10,359, 76.69%, see rank | 75.90% | 72.43% |
| Family Households (Families) | 9,416, 69.71%, see rank | 68.69% | 66.22% |
| Average Family Size | 3.36, see rank | 3.67 | 3.32 |
| Married-Couple Family | 7,086, 52.46%, see rank | 49.11% | 48.42% |
| Nonfamily Households | 4,092, 30.29%, see rank | 31.31% | 33.78% |
US Census 2010 data
Total population: 36,557
| 91311 Zip Code | California | U.S. | |
| Total Households | 13,425, 100% | 12,577,498 | 116,716,292 |
| Average Household Size | 2.66, see rank | 2.90 | 2.58 |
| 1 Person Households | 3,026, 22.54%, see rank | 23.29% | 26.74% |
| 2 or More Person Households | 10,399, 77.46%, see rank | 76.71% | 73.26% |
| Family Households (Families) | 9,436, 70.29%, see rank | 68.71% | 66.43% |
| Average Family Size | 3.13, see rank | 3.45 | 3.14 |
| Married-Couple Family | 7,084, 52.77%, see rank | 49.40% | 48.42% |
| Nonfamily Households | 3,989, 29.71%, see rank | 31.29% | 33.57% |
ACS 2008-2012 data
Total population: 37,945
| 91311 Zip Code | California | U.S. | |
| Total Households | 13,406, 100% | 12,466,331 | 115,226,802 |
| Average Household Size | 2.77, see rank | 2.93 | 2.61 |
| 1 Person Households | 2,806, 20.93%, see rank | 24.31% | 27.45% |
| 2 or More Person Households | 10,600, 79.07%, see rank | 75.69% | 72.55% |
| Family Households (Families) | 9,687, 72.26%, see rank | 68.59% | 66.47% |
| Average Family Size | 3.33, see rank | 3.65 | 3.29 |
| Married-Couple Family | 7,215, 53.82%, see rank | 49.35% | 48.97% |
| Nonfamily Households | 3,719, 27.74%, see rank | 31.41% | 33.53% |
US Census 2000 data
Total population: 35,317
| 91311 Zip Code | California | U.S. | |
| Total Households | 13,221, 100% | 11,502,870 | 105,480,101 |
| Average Household Size | 2.61, see rank | 2.87 | 2.59 |
| 1 Person Households | 3,057, 23.12%, see rank | 23.54% | 25.82% |
| 2 or More Person Households | 10,164, 76.88%, see rank | 76.46% | 74.18% |
| Family Households (Families) | 9,265, 70.08%, see rank | 68.85% | 68.06% |
| Average Family Size | 3.09, see rank | 3.43 | 3.14 |
| Married-Couple Family | 7,279, 55.06%, see rank | 51.09% | 51.66% |
| Nonfamily Households | 3,956, 29.92%, see rank | 31.15% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.